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Table 1 Lithium disilicate and zirconia: pros and cons

From: Current status on lithium disilicate and zirconia: a narrative review

Lithium disilicate
Pros Cons
• excellent optical characteristics and good
mechanical properties
• clinical versatility
• biocompatibility
• favourable abrasiveness
• marginal accuracy and internal fit
• high strength of adhesion to the substrate
• monolithic and layered
• glaze coating and fluorapatite ceramic veneering can increase wear
• critical to adjust intraorally
• chipping of the veneering ceramics
Zirconia
Pros Cons
• excellent mechanical characteristics and
good optical properties
• excellent biocompatibility and low plaque
retention
• favourable wear behaviour
• implant abutments for esthetic sites
• crack-hindering potential (through PTT)
• marginal accuracy and internal fit
• monolithic and layered
• opacity
• unetchable with conventional methods
• low temperature degradation and aging
• critical to adjust intraorally
• glaze coating and fluorapatite ceramic veneering can increase wear
• chipping of the veneering ceramics